From: Satha Rao <skotesh...@marvell.com>
The first interrupt of the device is used to notify the host about
device configuration changes, such as link status updates. The ISR
configuration area is updated to indicate a config change event when
triggered.
Signed-off-by: Satha Rao <skotesh...@marvell.com>
Reviewed-by: Dan Carpenter <dan.carpen...@linaro.org>
Acked-by: Jason Wang <jasow...@redhat.com>
Signed-off-by: Shijith Thotton <sthot...@marvell.com>
---
drivers/vdpa/octeon_ep/octep_vdpa_main.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/vdpa/octeon_ep/octep_vdpa_main.c
b/drivers/vdpa/octeon_ep/octep_vdpa_main.c
index e9c3e57b321f..4d56be64ae56 100644
--- a/drivers/vdpa/octeon_ep/octep_vdpa_main.c
+++ b/drivers/vdpa/octeon_ep/octep_vdpa_main.c
@@ -71,6 +71,14 @@ static irqreturn_t octep_vdpa_intr_handler(int irq, void
*data)
}
}
+ /* Check for config interrupt. Config uses the first interrupt */
+ if (unlikely(irq == oct_hw->irqs[0] && ioread8(oct_hw->isr))) {
+ iowrite8(0, oct_hw->isr);
+
+ if (oct_hw->config_cb.callback)
+ oct_hw->config_cb.callback(oct_hw->config_cb.private);
+ }
+
return IRQ_HANDLED;
}
--
2.25.1
